components/proto_extras/test_proto2/test_proto2.proto

// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

option optimize_for = LITE_RUNTIME;

package proto_extras;

message EmptyProto2EmbeddedMessage {}

message EmbeddedMessage {
  optional string str_field = 1;
}

enum OuterEnum {
  OUTER_ENUM_UNSPECIFIED = 0;
  OUTER_ENUM_OPTION1 = 1;
  OUTER_ENUM_OPTION2 = 2;
}

message TestMessageProto2 {
  optional EmbeddedMessage embedded_message = 1;
  repeated EmbeddedMessage repeated_embedded_message = 2;
  optional int32 int32_field = 3;
  optional int64 int64_field = 4;
  optional bytes bytes_field = 5;
  repeated int32 repeated_int32_field = 6;
  optional OuterEnum outer_enum = 7;

  oneof oneof_field {
    int32 maybe_int = 8;
    bool maybe_bool = 9;
    EmbeddedMessage maybe_message = 14;
    OuterEnum maybe_enum = 15;
    bytes maybe_bytes = 16;
  }

  enum InnerEnum {
    INNER_ENUM_UNSPECIFIED = 0;
    INNER_ENUM_OPTION1 = 1;
    INNER_ENUM_OPTION2 = 2;
  }

  optional InnerEnum inner_enum = 10;
  repeated InnerEnum repeated_inner_enum = 11;

  message InnerMessage {
    optional int32 int_field = 1;
  }

  optional InnerMessage inner_message = 12;
  optional bool bool_field = 13;
  optional uint64 uint64_field = 17;

  map<int32, string> primitive_map_field = 18;
  map<string, EmbeddedMessage> message_map_field = 19;
  optional EmptyProto2EmbeddedMessage empty_embedded_message = 20;
}